/\energynauticssolutions for a sustainable development

PROCEEDINGS

11th international Workshop on Large-Scale Integrationof Wind Power into Power Systemsas well as on Transmission Networks

for Offshore Wind Power Plants

13-15 November 2012

Lisbon, Portugal

Edited by Uta Betancourt/Thomas Ackermann

Table of Contents

Session 1: Keynote Session

14:00 - 15:30 / 13 November 2012 / Room Alfama / Session chair: Thomas Ackermann,

(Energynautics, Germany)

KeynoteR. Cartaxo (CEO/Chairman REN)

The Impact of Electric Mobility in Allowing a Safe Increase of the Penetration of Wind Power in

the Iberian SystemJ. A. Pecas Lopes, M. Rosa, P. Almeida (University of Porto, Portugal)

From Lessons Learned to Future OpportunitiesT. Ponce de Leao (LNEG, Portugal)

Operating Spanish and Portuguese Power Grid with Significant Wind: Dynamics and Control

ChallengesBikash C. Pal (Imperial College London, UK) / J. P. S. Catalao (University of Beira Interior, Portugal)

Session 2A: ENTSO-E Network Code Discussion

16:15 - 18:30 / 13 November 2012 / Room Alfama / Session chair: Paul Gardner (GL Garrad Hassan,United Kingdom)

Asymmetrical Current Injection Addressed by ENTSO-E Draft Network Code - Requirements &

Development of Technology for WEC

V. Diedrichs, H. Lorenzen (University of Applied Sciences Wilhelmshaven, Germany), I. Mackensen,S. Gertjegerdes (Enercon, Germany)

Paper:Current Development of the ENTSO-E NC RfG in the Light of European Wind Integration1 Duddy, F. Martin, I. Skrypalle, F. Van Hulle, S. Wachtel (EWEA WG GCR)

Presentations:

Mandatory Grid Code Requirements Versus Ancillary Services (EWEAWG GCR)S. Wachtel (GE Wind, Germany)

Critical Technical Aspects for Wind Power in the ENTSO-E NC RfG (EWEA WG GCR)I. Skrypalle (REpower Systems, Germany)

Harmonisation: the Way Forward (EWEA WG GCR)F. van Hulle (EWEA, Belgium)

The ENTSO-E NC RfG, Common Interpretations and the Way Towards ImplementationR. Pfeiffer (Amprion, Germany)

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Session 2B: Wind & Solar Integration: Planning & Operation Issues 27

16:15 - 18:30 / 13 November 2012 / Room Castelo l/II / Session chair: Charles Smith (UVIG, USA)

The Western Wind and Solar Integration Study - Phase 2

D. Lew, G. Brinkman, E. Ibanez, B.-M. Hodge (NREL, USA), J. King (RePPAE, USA)

Markets to Facilitate Wind and Solar Energy Integration in the Bulk Power Supply: An IEA

Task 25 CollaborationM. Milligan (NREL, USA), H. Holttinen (VTT, Finland), L. Soder (Royal Institut of Technology/KTH, Sweden), C. Clark

(U.S. Department of Energy, USA), I. Pineda (EWEA, Belgium)

Impact of High Wind Penetration on an Island Power Supply SystemW. Kuijpers, G. Dekker, R. de Groot (KEMA, the Netherlands), J. Hodgson (Water- en Energiebedrijf Aruba, Aruba)

Stochastic Methods for Planning and Operating Power Systems with Large Amounts of Wind

and Solar Power

M. Milligan (NREL, USA), P. Donohoo (Massachusetts Institute of Technology, USA) M. O'Malley (University CollegeDublin, Ireland)

Provision of Regulating Reserve from Wind Power: Economic Benefits and Steady State

System Operation ImplicationsA. Tuohy (EPRI, USA), E. Ela (NREL, USA), D. Brooks (EPRI, USA), B. Kirby (Kirby Consult, USA)

Wind and Solar Portfolios and their Impact on Predictability: German Case Study 2010-2011

V. Speth (University of St Gallen, Switzerland)

Session 2C: Wind Forecasting I 65

16:15 - 18:30 / 13 November 2012 / Room Castelo VIII/IX / Session chair: T.B.A.

The Wind Forecasting Improvement Project: Description and Results from the Southern

Study RegionJ. Freedman (AWS Truepower, USA), S. Benjamin, J. Wilczak, M. Marquis (National Oceanic and Atmospheric

Administration, USA),C. Clark, J. Cline (US Department of Energy), J. Zack, 1 Manobianco (MESO, USA), I. Flores (Electric Reliability Council

of Texas, USA),J. Schroeder, B. Ancell (Texas Tech University, USA), K. Brewster (Oklahoma University, USA), S. Basu (North Carolina

State University, USA), K. Orwig (NREL, USA), V. Banunarayanan (ICF International, USA)

Enhanced Short-Term Wind Power Forecasting and Value to Utility Operations: The Wind

Forecasting Improvement Project (WFIP)K. Orwig (NREL, USA), C. Clark, 1 Cline (US Department of Energy, USA), S. Benjamin, J. Wilczak, M. Marquis (NationalOceanic and Atmospheric Administration, USA), C. Finley (WindLogics, USA), A. Stern (National Weather Service, USA),

J. Freedman (AWS Truepower, USA)

Wind Power Forecasting Error Distributions: An International ComparisonB.-M. Hodge (NREL, USA), H. Holttinen, S. Sillanpaa (VTT, Finland), E. Gomez-Lazaro (University of CastiHa-La Mancha,

Spain), R. Scharff,L. Soder (Royal Institut of Technology/KTH, Sweden), X. G. Larsen, G. Giebel (DTU Wind, Denmark), D. Flynn

(University College Dublin, Ireland), D. Lew, M. Milligan (NREL, USA), J. Dobschinski (Fraunhofer IWES, Germany)

Variability and Smoothing Effect of Wind Power Production Compared to Load Variability in

the Nordic Countries

H. Holttinen, S. Rissanen (VTT, Finland), G. Giebel, X. G. Larsen (DTU Wind, Denmark), A.-L. Lavholm, E. Berge (Kjeller

Vindteknikk, Norway)

An Application and Verification of Ensemble Forecasting on Wind Power to Assess

Operational Risk Indicators in Power Grids

S. Alessandrini, E. Ciapessoni, D. Cirio, A. Pitto, S. Sperati (RSE, Italy), P. Pinson (DTU, Denmark)

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Session 3A: Grid Integration Experience I 95

08:30 - 10:40 / 14 November 2012 / Room Alfama / Session chair: Hannele Holttinen (VTT, Finland)

The Connection Studies for 1200 MW Wind Power Integration in PortugalN. Taveira, A. Mendonca, E. Quitmann (Enercon, Germany), C. L Moreira, B. Silva (INESC Porto, Portugal), J. Moreira

(REN, Portugal), C. Pereira da Silva (ENEOP, Portugal)

System Integration of Renewable Energies from the Perspective of the Transmission System

OperatorC. Schulz (TenneT TSO, Germany)

Analysing High Wind Shutdown on the Power System of Ireland

P. Coughlan, J. O'Sullivan, N. Kamaluddin, F. McLoughlin (Eirgrid, Ireland)

Ensuring Grid Code Harmonic Compliance of Wind Farms

D. M. Joseph, P. Haigh, J. McCullagh (National Grid, United Kingdom)

Integration of Wind Power Plants into the Electric System - The Brazilian ExperienceF. Arteiro, P. Gomes (ONS, Brazil)

Session 3B: Modelling I 127

09:00 - 10:40 / 14 November 2012 / Room Castelo I/II / Session chair: Ana Estanqueiro(LNEG, Portugal)

Progress in IEC 61400-27. Electrical simulation models for wind power generationP. S0rensen (DTU Wind, Denmark), B. Andresen (Siemens Wind Power, Denmark), 1 Fortmann (REpower Systems,Germany), P. Pourbeik (EPRI, USA)

Implementation of IEC Generic Type 1 Model using RTDS

S. T. Cha, Q. Wu, H. Zhao, J. 0stergaard, I. Margaris, P. Sprensen, (DTU, Denmark)

Implementation of IEC Standard Models for Power System Stability Studies

I. Margaris, A. Hansen (DTU Wind, Denmark), J. Bech, B. Andresen (Siemens Wind Power, Denmark), P. S0rensen

(DTU Wind, Denmark)

Adaptive Control of Grid-Connected Inverters Based on Online Grid ImpedanceMeasurements

M. Cespedes, 1 Sun (Rensselaer Polytechnic Institute, USA)

Session 3C: Offshore Transmission Systems 155

08:30 - 10:40 / 14 November 2012 / Room Castelo VIII/IX / Session chair: Markus Poller (Germany)

Analyzing the Deployment of Large Amounts of Offshore Wind to Design an Offshore

Transmission Grid in the United States

E. Ibanez, T. Mai, L Coles (NREL, USA)

Wind Turbines and Transmission Systems for Offshore Wind Projects Currently in Planning

StagesA. Madariaga, 1 L. Martin, I. Martinez de Alegrla, I. Zamora (University of the Basque Country [UPV/EHU], Spain), S.

Ceballos (Tecnalia Reseach & Innovation, Spain)

New Grid-Planning and Certification Approaches for the Large-Scale Offshore-Wind Farm

Grid-Connection SystemsC. Heising, R. Bartelt (Avasition, Germany), M. Koochack Zadeh, T. 1 Lebioda, J. Jung (TenneT Offshore, Germany)

Harmonic Amplification of the 576 MW Gwynt-y-M6r Offshore Wind Power Plant

A. J. Hernandez Manchola (Siemens, Germany), S. Wijesinghe (RWE Innogy, United Kingdom), A. Shafiu (Siemens,United Kingdom)

Sensitivity of Nodal Admittances in an Offshore Wind Power Plant to Parametric Variations in

the Collection Grid

V. Kersiulis, A. Holdyk, J. Holbtfll (DTU, Denmark), I. Arana (DONG Energy, Denmark) WIW12-06

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Session 4A: Wind Power Integration in REN's Grid - Part 1:

Integration Procedures 189

11:20- 13:00 / 14 November 2012 / Room Alfama / Session chair: Medeiros Pinto (REN, Portugal)

Reinforcement of Portuguese Transmission Network Capacity to Receive New Renewable

Power Production

T. Rodrigues, F. Batista, A. Pitarma (REN, Portugal)

Wind Power Forecast

Rui Pestana, A. R. Trancoso (REN, Portugal), J. D. Domingos (Technical University of Lisbon, Portugal)

Wind Power Integration and its Impact on the Portuguese Transmission Grid Protection

SystemJ. E. Afonso, A. Q. dos Santos (REN, Portugal)

Impact of Wind Power Integration in the Portuguese System OperationF. Ribeiro (REN, Portugal)

Session 4B: HVDC Technology I 209

11:20 - 13:00 / 14 November 2012 / Room Castelo I/II / Session chair: T.B.A.

Enhancing the Reliability of AC Transmission Networks by Using a Long Distance HVDC Link

M. Fleckenstein, A. Wasserrab, G. Balzer, C. Neumann (Technical University of Darmstadt, Germany)

Integration of Wind Power in Germany's Transmission Grid by using HVDC Links

A. Wasserrab, M. Fleckenstein, G. Balzer (Technical University of Darmstadt, Germany)

Simulation of the Large-Scale Offshore-Wind Farms Including HVDC-Grid Connections Using

the Simulation Tool VIAvento

R. Bartelt, C. Heising, B. Ni (Avasition, Germany), M. Koochack Zadeh, TJ. Lebioda, 1 Jung (TenneT Offshore,

Germany)

Barriers and Solutions for AC Low Voltage Fault Ride-through on Multi-terminal HVDC Grids

B. Silva, C. Moreira, H. Leite, I A. Pecas Lopes (INESCTEC, Portugal)

Analysis of Control Alternatives for Offshore Wind Farms Connected through a VSC-HVDC

Link

E. Belenguer, R. Vidal, H. Beltran (University Jaume I, Spain), R. Blasco-Gimenez (Politechnical University of Valencia,

Spain)

Session 4C: Integrating Issues and Solutions I 241

11:20 - 13:00 / 14 November 2012 / Room Castelo VIII/IX / Session chair: Eckehard Troster

(Energynautics, Germany)

Integration of Wind Power into Existing Transmission Network by Dynamic Overhead Line

RatingJ. Fu, D. J. Morrow, S. M. Abdelkader (Queen's University Belfast, United Kingdom)

Challenges, Experiences and Possible Solutions in Transmission System Operation with Large

Wind IntegrationZ. Liu, L. van der Sluis (Delft University of Technology, the Netherlands), W. Winter, H. Paeschke (TenneT TSO,

Germany), R. Becker, C. Weber (University of Duisburg-Essen, Germany), J. Eickmann, C. Schroeders (RWTH Aachen,

Germany), F. Oldewurtel, L. Roald, T. Krause (ETH Zurich, Switzerland), M. Rogge, P. Gilsdorf (Amprion, Germany), P.

Wajant (transnetBW , Germany)

Small Signal Stability Impact of Large Wind Penetration in UK Power System

L Kunjumuhammed, B. C. Pal (Imperial College London, United Kingdom), K. Anaparthi (GE Global Research,

Germany), S. Kuenzel (Imperial College London, United Kingdom)

Operation of Wind Power Plants in High Impedance Grids - Loss of Stability Control for

Maximizing Wind Power vs. Power QualityV. Diedrichs (University of Applied Sciences Wilhelmshaven, Germany), A. Beekmann, K. Busker, S. Nikolai, F. Kentler

(Enercon, Germany)

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Session 5A: Wind Power Integration in REN's Grid - Part 2: Innovations 267

14:00 - 15:40 / 14 November 2012 / Room Alfama / Session chair: Rui Pestana (REN, Portugal)

Multi-TSO Cross Border Balancing MechanismM. L. Llorerts (REE, Spain), P. Pereira (REN, Portugal), L. Apoyan (RTE, France), L Moreno, P. Junco, J. Arenillas, J. I.

de la Fuente (REE, Spain), C. Chabanne, G. Barbieri (RTE, France)

Integrating Renewable Energy Sources in the Portuguese Power System - New Generation

Adequacy Indicators

N. Martins, J. Santos, M. Damas (REN, Portugal)

Connection of the First Pump - Storage Variable Speed Machines in Portugal: TSO Main

RequirementsM. Matos Fernandes (REN, Portugal)

Application of FACTS Devices to Improve System SecurityP. N. Pereira Barbeiro, C. L Moreira, J. A. Pecas Lopes (INESC Porto, Portugal), A. Reis Rodrigues, J. Moreira, N.

Rosado (REN, Portugal)

Session 5B: Wind Forecasting II 291

14:00 - 15:40 / 14 November 2012 / Room Castelo I/II / Session chair: Joao P. S. Catalao

(University of Beira Interior, Portugal)

Icing Warnings in Wind Power Predictions - Practical Experiences for Sites in the U.S.

J. Schmelter, U. Focken, M. Lange (energy & meteo systems, Germany)

Spatio-temporal Correction of Probabilistic Wind Power Forecasts

J. Tastu, P. Pinson, H. Madsen (DTU, Denmark)

Spatial-Temporal Analysis of Wind Power Forecast Errors for West-Coast NorwayP. Preede Revheim, H.-G. Beyer (University of Agder, Norway)

Real-time Energy Resources Scheduling Considering Short-term and Very Short-term Wind

Forecast

M. Silva, T. Sousa, H. Morais, Z. Vale (GECAD Polytechnic of Porto, Portugal)

Session 5C: Integrating Issues and Solutions II 317

14:00 - 15:40 / 14 November 2012 / Room Castelo VIII/IX / Session chair: T.B.A.

Influence of the Fluctuating Increasing Wind and Solar Power Input into the Electrical Power

Grid onto the Thermal Power Plant OperationE. Hassel, S. Meinke, J. Nocke, M. Hubel, C. Ziems, H. Weber (University of Rostock, Germany)

Wind Integration in Japan: Current Status and Future ChallengesY. Yasuda (Kansai University, Japan), J. Kondoh (National Institute of Advanced Industrial Science and Technology,

Japan), T. Tsuji, T. Oyama (Yokohama National University, Japan)

Generation System Adequacy in Europe: Application of a Multi-area Reliability Calculation

B. Hasche, M. Wattiau, K. Grave, R. Kuwahata (Ecofys, Germany)

A Probabilistic Approach to Quantifying the Contribution of Variable Generation and

Transmission to System ReliabilityE. Ibanez, M. Milligan (NREL, USA)

Session 6A: Grid Integration Studies 34116:15 - 18:30 / 14 November 2012 / Room Alfama / Session chair: T.B.A.

"

Task 25 - Recommendations for Wind Integration StudiesH. Holttinen (VTT, Finland) M. O'Malley, J. Dillon, D. Flynn (University College Dublin, Ireland), M. Milligan (NREL,USA), L. Soder (Royal Institut of Technology/KTH, Sweden), A.Orths, H.Abildgaard (Energinet.dk, Denmark), J. C.

Smith (UVIG, USA), F. Van Hulle (EWEA, Belgium)

System-wide Impacts of High Penetrations of Wind Power Affecting Power System Planning,Operation, and SecurityR. Kuwahata (Energynautics/Ecofys, Germany), T. Ackermann (Energynautics, Germany)

Methodologies for Studying System-wide Impacts of Wind Power on Transmission SystemPlanning, Operation and SecurityT. Ackermann (Energynautics, Germany), R. Kuwahata (Ecofys, Germany)

Dynamic Studies for Wind Farm Connections to the Irish Power SystemT. Gallery, C. McCarthy, J. McGuckin, S. Grimes (Eirgrid, Ireland)

Impact of Wind Generation in the Technical Operation of the Systems with High Penetration

of Wind

J. M. Rivier de Abbad, P. Ostos Nieto (Iberdrola Renewables, Spain)

Session 6B: Reactive Power Support Issues 375

16:15 - 18:30 / 14 November 2012 / Room Castelo I/II / Session chair: Math Bollen (LuleS University of"

Technology, Sweden)

Coordinated Voltage Control for Multiple Wind Plants in Eastern Wyoming: Analysis, Field

Experience and Validation

N. Miller, 1 MacDowell, G. Chmiel, R. Konopinski, D, Gautam (GE Energy, USA), G. Laughter, D. Hagen (PacifiCorp,USA)

On Wind Power Plant Voltage Control Response Characteristics from the Perspective of

Planning of Stability Restricted Transmission Network

A. Harjula, T. Rauhala (Fingrid Oyj, Finland), B. C. Pal (Imperial College London, United Kingdom), A.-J. Nikkila (FingridOyj, Finland), L. P. Kunjumuhammed (Imperial College London, United Kingdom)

Coordinated Reactive Power Control Meet Quebec's Interconnection Requirements for Wind

Power Plants

S. El Itani, M. Dernbach (REpower Systems, Germany), S. Williams, M. Bishop (S&C Electric Company, USA)

Dynamic Voltage Support of Decentralized Power Generators - Effects, Benefits and Risks

S. Ledwon, F. Kalverkamp, 1 Langstadtler, B. Schowe-von der Brelie (FGH, Germany)

Use of a Deadband in Reactive Power Control Requirements for Wind Turbines in European

Grid Codes

J. Fortmann (REpower Systems, Germany), I. Erlich (University of Duisburg-Essen, Germany)

Unit Commitment Considering Regional Synchronous Reactive Power Requirements: Costs

and Effects

P. Cuffe (University College Dublin, Ireland), A. Tuohy (EPRI, USA), E. Lannoye, A. Keane (University College Dublin,Ireland)

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Session 6C: Market Issues 419

16:15 - 18:30 / 14 November 2012 / Room Castelo VIII/IX / Session chair: T.B.A.

A Comparison Between Intraday Market and Capacity Market to Deal with Wind Power

Forecasting Errors

W. de Boer, G. Dekker, J. Frunt, M. Duvoort (DNV-KEMA, the Netherlands), A. Jokic (Faculty of Mechanical Engineeringand Naval Architecture, Croatia)

Impact of Control Reserve Provision of Wind Farms on Regulating Power Costs and BalancingEnergy Prices

M. Jansen, M. Speckmann, R. Schwinn (Fraunhofer IWES, Germany)

Analysing the Effects of Future Generation and Grid Investments on the Spanish Power

Market, with Large Scale Wind Integration, Using PLEXOS for Power SystemsP. Panagiotakopoulou (Energy Exemplar [Europe], United Kingdom)

Power System Economic Loading with Emergency Reserve Provision from Wind EnergyX. Tang, B. Fox, K. Li (Queen's University Belfast, United Kingdom)

The Impact of Different Wind and Solar Portfolios on Spot Market Prices - A Market ModelV. Speth (University of St Gallen, Switzerland), A. Klein (University of Applied Sciences Mannheim, Germany

EU PowerNet -A Busniness Model for a Cooperative to Overcome National Legacy in

Electricity Infrastructure Investment - A Proposal to Organise Knowledge, Decision Makingand Investment ManagementW. Dik (Delft University of Technology, the Netherlands), S. Hoonhout, F. Rusting (EU PowerNet, the Netherlands), C.

A. de Feyter (2thepoint Consultants, the Netherlands)

Economic Comparison of Technical Options to Increase Power System FlexibilityJ. Kiviluoma, E. Rinne, N. Helisto (VTT, Finland)

Session 7A: Grid Integration Experience II 463

08:30 - 10:40 / 15 November 2012 / Room Alfama / Session chair: Nicholas W. Miller (GE Energy, USA)

Impacts of Renewable Generation on Fossil Fuel Unit Cycling: Costs and Emissions

G. Brinkman, D. Lew (NREL, USA), N. Kumar, S. Lefton (Intertek-APTECH, USA), S. Venkataraman, G. Jordan (GE

Energy, USA

Forecast of the Installed Capacity for Renewable Energy Installations and its Influence on

the Grid Extensions in the State of BrandenburgH. Schwarz, K. Pfeiffer (Brandenburg University of Technology, Germany), J. Zeidler (MITNETZ Strom, Germany), S.

Schulz (50Hertz Transmission, Germany), S. Dorendorf (E.ON edis, Germany)

Pushing the Distribution System to its Limits and Beyond: A Case Study on Wind Integrationin GermanyE. Troster, S. Langanke (Energynautics, Germany), B. Betz (EWR Netz, Germany)

Voltage Stability at Hydropower Stations Influenced by Close-located Wind Farms

E. Lidstrom, D. Wall, J. Persson (Vattenfall R&D, Sweden), U. Lundin (Uppsala University, Sweden)

Renewable Generation Dispatch Optimization Technology and Decision Support Systemunder Non-market Environment

P. Li, Y. Huang, C. Liu (China Electric Power Research Institute, China)

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Session 7B: Means for Power Balancing 491

08:30 - 10:40 / 15 November 2012 / Room Castelo I/II / Session chair: Markus Fischer (Enercon, Germany)

Emulated Inertia I Response from Wind Turbines: The Case for Bespoke Power SystemOptimisationL. Ruttledge, D. Flynn (University College Dublin, Ireland)

Contribution of Energy Storage for Large-scale Integration of Variable GenerationA. Estanqueiro (LNEG, Portugal), A. Ardal (SINTEF, Norway), C. O'Dwyer, D. Flynn (University College Dublin, Ireland),D. Huertas-Hernando (SINTEF, Norway), D. Lew (NREL, USA), E. Gomez-Lazaro (University of Castilla-La Mancha,Spain), E. Carlini (Terna, Italy), E. Solvang (SINTEF, Norway), E. Ela (NREL, USA), J. Kiviluoma (VTT, Finland), L.

Rodrigues (LNEG, Portugal), M. Amelin (Royal Institut of Technology/KTH, Sweden)

Winning End Users Active Support to Demand Side ResponseJ. Osorio (REN, Portugal), A. Estanqueiro (LNEG, Portugal)

Consideration of the Load-Frequency Control and Performance of the Continental EuropeanPower System during Large ImbalancesJ.E.S. de Haan, M. Aliano (Eindhoven University of Technology, the Netherlands), J. Frunt (DNV KEMA, the

Netherlands), W. Kling (Eindhoven University of Technology, the Netherlands)

Managing the Variability of Supply in the European Power System with High Wind EnergyPenetration

J. Corbett, D. Carroll, H. Laurie (Mainstream Renewable Power, Ireland), B. Hurley (Wind Site Evaluation, Ireland), A.

M. Foley (Queen's University Belfast, United Kingdom)

Control, Regulation and Storage Systems to Optimize the Integration of Wind Power

M. Gasco (University of Alicante, Spain), A. Rios (European University of Madrid, Spain)

Session 7C: Harmonic Issues 531

08:30 - 10:40 / 15 November 2012 / Room Castelo VIII/IX / Session chair: Brendan Fox

(Queen's University Belfast, United Kingdom)

Propagation of Harmonic Emission from the Turbines through the Collection Grid to the

Public Grid

U. Axelsson, A. Holm (Vattenfall R&D, Sweden), M. Bollen, K. Yang (LuleS University of Technology, Sweden)

Harmonic Model of the Network Bridge Power Converter for Wind Turbine Harmonic Studies

P. Brogan, N. Goldenbaum (Siemens Wind Power, United Kingdom)

Harmonic Analysis in a Distribution System with Wind Generation using DFIG

J. Mirzaei (Monenco Consulting Engineering, Iran)

Application of Transfer Function Based Harmonic Study Method to an Offshore Wind Farm

Y. Chen, M. Bollen (STRI AB, Sweden), M. Martins (Alstom Wind, Spain)

Harmonic Analysis of Wind Turbines Including Measurements, Data Analysis, ModellingL. H. Kocewiak (DONG Energy, Denmark), N. Goldenbaum (Siemens Wind Power, United Kingdom)

Type-Ill Wind Power Plant Harmonic Emissions - Field measurements and aggregationguidelines for adequate representation of harmonics

C. Larose, R. Gagnon (IREQ/Hydro-Quebec, Canada), P. Prud'Homme, M. Fecteau, M. Asmine (Hydro-Quebec, Canada)

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Session 8A: Offshore Wind Power Plants 571

11:20 - 13:00 / 15 November 2012 / Room Alfama / Session chair: Michael N0rtoft Frydensbjerg(Siemens Wind Power, Denmark)

Wind Power Plants Inertial Response Capability Considering Wake Effect

S. Kuenzel, L. P. Kunjumuhammed, B. C. Pal (Imperial College London, United Kingdom), I. Erlich (University of

Duisburg-Essen, Germany)

Off-Shore Wind Power Plant Modelling Precision and Efficiency in Electromagnetic Transient

Simulation ProgramsU. Karaagac, H. Saad, J. Mahseredjian (Polytechnical School of Montreal, Canada), S. Jensen, L Cai (REpower,Germany)

Future of Offshore Wind - Pilot Installation of a 2MW WindFloat® SystemA. Weinstein, C. A. Cermelli (Principle Power, USA)

Spreadsheet Based Methodology to Assess Offshore Wind Capacity Factors in ProjectPlanning StageA. Madariaga, J. L. Martin, I. Martinez de Alegria (University of the Basque Country [UPV/EHU], Spain), S. Ceballos

(Tecnalia Research & Innovation, Spain), O. Anaya-Lara (Strathclyde University, United Kingdom)

Session 8B: Wind Forecasting III 597

11:20 - 13:00 / 15 November 2012 / Room Castelo I/II / Session chair: Hans-Peter Waldl

(Overspeed, Germany)

Portfolio Effect of Wind Power Plants Based on Wind Regime Dependency: Portugal Case-

StudyN. F. Jorge, C. Trivino, J. M. Marco (GL Garrad Iberica, Portugal)

Wind Power Forecasting Error Frequency Analyses for Operational Power System Studies

A. R. Florita, B.-M. Hodge, M. Milligan (NREL, USA)

Economic Evaluation of Short-Term Wind Power Forecasts in ERCOT: Preliminary Results

K. Orwig (NREL, USA), V. Banunarayanan, S. Nasir (ICF International, USA), B.-M. Hodge, G. Brinkman, E. Ela, M.

Milligan (NREL, USA), J. Freedman (AWS Truepower, USA)

Common Characterization of Variability and Forecast Errors of Variable Energy Sources and

their Mitigation Using Reserves in Power System Integration Studies

N. Menemenlis, M. Huneault (IREQ/Hydro-Quebec, Canada), A. Robitaille (Hydro-Quebec, Canada), H. Holttinen (VTT,Finland)

Use of Offsite Data to Improve Short Term Ramp ForecastingA. Suzukui (GL Garrad Hassan, United Kingdom), P. Shaw, C. Collier (GL Garrad Hassan, USA), J. Parkes (GL Garrad

Hassan, United Kingdom), L. Landberg (GL Garrad Hassan, Denmark)

Session 8C: Frequency/Inertia Response 627

11:20 - 13:00 / 15 November 2012 / Room Castelo VIII/IX / Session chair: Poul Ejnar S0rensen

(DTU Wind, Denmark)

Ancillary Services for the European Grid with High Shares of Wind and Solar Power

F. Van Hulle (EWEA, Belgium), H. Holttinen, J. Kiviluoma (VTT, Finland) N. Cutululis (DTU, Denmark)

Assessment and Implementation of Inertial Response from Variable Speed Wind Turbines

G. Xu, L. Xu, J. Morrow (Queen's University Belfast, United Kingdom)

Delivering Combined Droop and Inertial Response from Wind Plant to the GB Power SystemL. Wu, D. Infield (University of Strathclyde, United Kingdom)

Real-time System-wide Inertia Estimation in Power Systems with High Wind Penetration

LevelsM. R. Bank Tavakoli, M. Power, L. Ruttledge, D. Flynn (Unversity College Dublin, Ireland)

Frequency Controlling Wind Power - Modelling of Control StrategiesM. Wang-Hansen, R. Josefsson, H. Mehmedovic (AF, Sweden)

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Session 9A: HVDC Technology II 659

14:00 - 15:40 / 15 November 2012 / Room Alfama / Session chair: T.B.A.

Power-electronic Asset Characteristics for HVDC-connected Offshore Grids

C. Heising, D. Meyer, R. Bartelt (Avasition, Germany), M. Koochack Zadeh, T. J. Lebioda, J. Jung (TenneT Offshore,Germany)

Investigation of Steady State Operation and Dynamic Performance of a MMC Based HVDC

Link

E. N. Abildgaard, 0. A. Rui (Statnett, Norway), M. Molinas (Norwegian University of Science and Technology, Norway)

Reliability Analysis of HVDC Grid Combined with Power Flow Simulations

Y. Yang, T. Langeland, J. Solvik (DNV, Norway), E. Stewart (DNV KEMA, USA)

Examination of Fault Ride-Through Methods for Off-Shore Wind Farms Connected to the Grid

through VSC-Based HVDC Transmission

U. Karaagac, J. Mahseredjian, H. Saad (Polytechnical School of Montreal, Canada), S. Jensen, L. Cai (REpower,Germany)

Session 9B: Grid Code Issues 685

14:00 - 15:40 / 15 November 2012 / Room Castelo I/II / Session chair: T.B.A."

50/60 Hz Grid Code Test and Verification ExperienceZ. Fan (GermanischerLloyd, Germany), J. Meggers (GL Garrad Hassan, Germany), T. Wehrend, T. Gehlhaar

(Germanischer Lloyd, Germany)

FGW's Experiences with and Solutions for the Integration of Renewabies into the German

Grid

J. Rauch (FGW, Germany), J. MSIIer (M.O.E., Germany)

Transient Control of Grid-connected Converters for Wind Turbines to Fulfill Future Grid Codes

D. Tong, X. Yuan, J. Hu (Huazhong University of Science and Technology, China)

Flexible Fault Ride Through of DFIG Wind Turbines with DC-Chopper Solution

C. Wessels, M. Laubrock, U. Bellgardt (Nordex Energy, Germany), A. Genius (Woodward Kempen, Germany)

The Influence of Reactive Current on Wind Farm LVRT Behavior

Q. Li, M. Zhang, J. He, S. Qin (China Electric Power Research Institute, China)

Session 9C: Modelling II 713

14:00 - 15:40 / 15 November 2012 / Room Castelo VIII/IX / Session chair: Jens Fortmann

(REpower Systems, Germany)

Generic Simplified Simulation Model for DFIG with Active Crowbar

F. Jimenez Buendia (Gamesa, Spain), B. Barrasa Gordo (Assystem Iberia, Spain)

A Wide-Band Equivalent Model for the Full-Converter Based (Type-4) Wind Power Plant

D. N. Hussein, R. Iravani (University of Toronto, Canada)

Power System Modelling at the Interplay of Markets, Control and EngineeringJ. Frunt, G. Dekker, W. de Boer, M. Duvoort (DNV KEMA, the Netherlands)

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Session 10; Closing Session - Podium Discussions 73316:00 - 17:00 / 15 November 2012 / Room Alfama / Session chair: T.B.A.

Podium discussions -Participants:Paul Gardner (GL Garrad Hassan, United Kingdom) et al.

The contributions and discussions of this session are not part of the proceedings.

Poster Presentations 735

ACE-netting Between Germany, Western Denmark, the Netherlands and SwitzerlandJ.E.S. de Haan, A. Virag, I. Lampropoulos (Eindhoven University of Technology, the Netherlands), J. Frunt (DNV KEMA,the Netherlands), W. Kling (Eindhoven University of Technology, the Netherlands)

Grid Integration Aspects within Wind Farm ProjectsR. van de Sandt, H. BuBmann (Fichtner, Germany)

Schematic Network Based on German Power System to Support Research ProjectsF. Florez, T. Degner (Fraunhofer IWES, Germany), S. Mesa (XM TSO, Colombia)

Virtual Power Players Dealing With Excessive Wind Power Situations Using Real Time PricingP. Faria, Z. Vale, H. Morais (GECAD Polytechnic of Porto, Portugal)

Small-Signal Stability Analysis of DC-Link Voltage Control System Affected bySynchronization Control in a Wind Turbine Connected to Weak Grid

Y. Huang, X. Yuan, J. Hu (Huazhong University of Science and Technology, China)

Comparing Two Statistical Local Wind Power Forecasting MethodologiesA. Arnoldt, M. Agsten, P. Bretschneider (Fraunhofer IOSB-AST, Germany)

Regulation of the Wind Power Production: Contribution of the Electric Vehicles and Other

Energy Storage SystemsC. B. Mateus, A. Estanqueiro (LNEG, Portugal)

Wind Energy Management for Smart Grids with Storage SystemsM. Gasco (University of Alicante, Spain), A. Rios (European University of Madrid, Spain)

Grid Integration Study of a Wind Farm in a 220 kV Grid

E. Teixeira, C. Alvarez-Ortega (Energy to Quality, Spain)

Wind Turbines for Bridge Structures and for Built-Environment Wind Turbines

L. Akesson (SP Technical Research Institute of Sweden, Sweden)

Examining the Variability of Wind Power Output in the Regulation Timeframe

B.-M. Hodge, S. Shedd, A. Florita (NREL, USA)

Modelling Wind Speed Parameters for Computer Generation of Wind Speed in FlandersM. Gay, M. Van Dessel (Lessius Mechelen,Belgium), J. Driesen (KULeuven, Belgium)

Evaluation of Different Operational Strategies for Lithium Ion Battery Systems Connected to

a Wind Turbine for Primary Frequency Regulation and Wind Power Forecast Accuracy

ImprovementM. Swierczyhski, D. I. Stroe, A. I. Stan, R. Teodorescu, S. J. Andreasen (Aalborg University, Denmark)

Offshore Grid Transmission Planning Using Approximated HVDC Power Flows

S. Shariat Torbaghan, B. G. Rawn, M. Gibescu, M. van der Meijden (TU Delft, the Netherlands)

Artificial Intelligence to Predict Short-term Wind SpeedT. Pinto, 1 Soares, S. Ramos, Z. Vale (Polytechnic of Porto, Portugal)

Evaluation of Planetary Boundary Layer Parameterizations in the WRF Model for Wind EnergyApplications at Ceara State, Brazil

C. Melo, P. Carvalho (DEE - UFC, Brazil), J. Leal Junior (FISICA - UECE, Brazil)

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Maximising Value of Wind Power Allocation: A Multi-objective Optimisation ApproachL. Reichenberg, 1 Goop, F. Johnsson, M. Odenberger (Chalmers University of Technology, Sweden)

An Introduction to Variable-Energy-Rexource Integration AnalysisE. Toolson (Energy Exemplar LLC, USA)

Design of Efficient and Reliable Cluster Collection SystemsJ. Pan, S. Bala (ABB Corporate Research, USA), 0. Apeldoorn, S. Ebner (ABB, Switzerland), M. Reza (ABB CorporateResearch, Sweden), Stephan Ebner (ABB Switzerland)

Investigating the Benefits of Loss Minimization in Wind Farms by Optimal Control

A. Timbus, C. Franke (ABB Corporate Research, Switzerland), C. BSnceanu, I. Vranceanu, R. Teodorescu, A, Adamczyk(Aalborg University, Denmark)

A Simplified Approach to Detect Undervoltage Tripping of Wind Generators

L. Sigrist, L. Rouco (Comillas University Madrid, Spain)

Assessment of a Methodology for Transmission Expansion Planning around the North Sea

S. Jaehnert, H. Farahmand, S. Voller, 0. Wolfgang, D. Huertas-Hernando (SINTEF, Norway)

Transmission Infrastructure Development Criteria for Interconnecting Large Scale Wind

Generation

V. Banunarayanan, K. Collison, K. Kumaraswamy, (ICF International, USA)

Variation Management through Spatial Distribution of Wind Power CapacityL. Goransson, L. Reichenberg, F. Johnsson (Chalmers University of Technology, Sweden)

Pressure Coefficient Evolutions on the Blades of a Savonius Rotor

A. Chauvin, S. Guignard (Laboratoire IUSTI, France), B. Kamoun (Laboratory of Applied Physics, Tunisia)

Workshop Participants 843

Workshop Information 851

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